<template>
  <div>
    <!-- 面包屑导航区域 -->
    <el-breadcrumb separator="/">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item><a href="/">用户管理</a></el-breadcrumb-item>
      <el-breadcrumb-item>用户列表</el-breadcrumb-item>
    </el-breadcrumb>
    <!-- 卡片视图区 -->
    <el-card>
      <!-- 搜索与添加区域 -->
      <el-row :gutter="15">
        <el-col :span="7">
          <el-input
            placeholder="请输入内容"
            v-model="queryInfo.query"
            clearable
            @clear="getUserList">
            <el-button
              slot="append"
              icon="el-icon-search"
              @click="getUserList"></el-button>
          </el-input>
        </el-col>
        <el-col :span="4">
          <el-button type="primary" @click="addDialogVisable = true"
            >添加用户</el-button
          ></el-col
        >
      </el-row>
      <!-- 用户列表区域 -->
      <el-table :data="userlist" border stripe>
        <el-table-column type="index"></el-table-column>
        <el-table-column label="姓名" prop="username"></el-table-column>
        <el-table-column label="邮箱" prop="email"></el-table-column>
        <el-table-column label="电话" prop="mobile"></el-table-column>
        <el-table-column label="角色" prop="role_name"></el-table-column>
        <el-table-column label="状态">
          <template slot-scope="scope">
            <el-switch
              v-model="scope.row.mg_state"
              @change="userStateChange(scope.row)"
            >
            </el-switch>
          </template>
        </el-table-column>
        <el-table-column label="操作" width="180px">
          <template slot-scope='scope'>
            <!-- 修改按钮 -->
            <el-button
              type="primary"
              icon="el-icon-edit"
              size="mini" @click="showEditDialog(scope.row.id)"
            ></el-button>
            <!-- 删除按钮 -->
            <el-button
              type="danger"
              icon="el-icon-delete"
              size="mini"
              @click="removeUserById(scope.row.id)"
            ></el-button>
            <!--分配角色按钮 -->
            <el-tooltip
              effect="dark"
              content="分配角色"
              placement="top"
              :enterable="false">
              <el-button
                type="warning"
                icon="el-icon-setting"
                size="mini"
                @click="setRole(scope.row)"
              ></el-button>
            </el-tooltip>
          </template>
        </el-table-column>
      </el-table>
      <!-- 分页区域 -->
      <el-pagination
        @size-change="handleSizeChange"
        @current-change="handleCurrentChange"
        :current-page="queryInfo.pagenum"
        :page-sizes="[1, 2, 4, 10]"
        :page-size="queryInfo.pagesize"
        layout="total, sizes, prev, pager, next, jumper"
        :total="total"
      >
      </el-pagination>
    </el-card>
    <!-- 添加用户的对话框 -->
    <el-dialog title="添加用户" :visible.sync="addDialogVisable" width="50%" @close='addDialogClose'>
      <!-- 内容主体区 -->
      <el-form
        :model="addForm"
        :rules="addFormRules"
        ref="addFormRef"
        label-width="70px">
        <el-form-item label="用户名" prop="username">
          <el-input v-model="addForm.username"></el-input>
        </el-form-item>
        <el-form-item label="密码" prop="password">
          <el-input v-model="addForm.password"></el-input>
        </el-form-item>
        <el-form-item label="邮箱" prop="email">
          <el-input v-model="addForm.email"></el-input>
        </el-form-item>
        <el-form-item label="手机" prop="mobile">
          <el-input v-model="addForm.mobile"></el-input> </el-form-item
      ></el-form>

      <!-- 底部区域 -->
      <span slot="footer" class="dialog-footer">
        <el-button @click="addDialogVisable = false">取 消</el-button>
        <el-button type="primary" @click="addUser">确 定</el-button>
      </span>
    </el-dialog>
      <!-- 修改用户的对话框 -->
    <el-dialog title="修改用户" :visible.sync="editDialogVisible" width="50%" @close='editDialogClose'>
 <el-form :model="editForm" :rules="editFormRules" ref="editFormRef" label-width="70px">
  <el-form-item label="用户名">
    <el-input v-model="editForm.username" disabled></el-input>
  </el-form-item>

   <el-form-item label="邮箱" prop="email">
    <el-input v-model="editForm.email" ></el-input>
  </el-form-item>

   <el-form-item label="手机号" prop="mobile">
    <el-input v-model="editForm.mobile"></el-input>
  </el-form-item>
  </el-form>
  <span slot="footer" class="dialog-footer">
    <el-button @click="editDialogVisible = false">取 消</el-button>
    <el-button type="primary" @click="editUserInfo">确 定</el-button>
  </span>
</el-dialog>
<!--  分配角色的对话框 -->
<el-dialog
  title="分配角色"
  :visible.sync="setRoleDialogVisible"
  width="50%" @close='setRoleDialogClosed'>
 <div>
   <p>当前的用户 {{userInfo.username}}</p>
   <p>当前的角色{{userInfo.role_name}}</p>
   <p>分配新角色：<el-select v-model="selectedRoleId" placeholder="请选择">
    <el-option
      v-for="item in rolesList"
      :key="item.id"
      :label="item.roleName"
      :value="item.id">
    </el-option>
  </el-select></p>
 </div>
  <span slot="footer" class="dialog-footer">
    <el-button @click="setRoleDialogVisible= false">取 消</el-button>
    <el-button type="primary" @click="saveRoleInfo">确 定</el-button>
  </span>
</el-dialog>
  </div>
</template>

<script>
export default {
  data() {
    // 验证手机号的规则
    const checkMobile = (rule, value, cb) => {
      const reg =
        /^(0|86|17951)?(13[0-9]|15[012356789]|17[678]|18[0-9]|14[57])[0-9]{8}$/
      if (reg.test(value)) {
        cb()
      } else {
        cb(new Error('手机号码格式不正确'))
      }
    }

    // 验证手机号的规则

    return {
      // 获取用户列表的参数对象
      queryInfo: {
        query: '',
        // 当前的页数
        pagenum: 1,
        //  当前每页显示多少条数据
        pagesize: 2
      },
      userlist: [],
      total: 0,
      // 控制添加用户的对话框的显示与隐藏
      addDialogVisable: false,
      //  添加用户的表单数据
      addForm: {
        username: '',
        password: '',
        email: '',
        mobile: ''
      },
      //  添加表单的验证规则对象
      addFormRules: {
        username: [
          { required: true, message: '请输入用户名', trigger: 'blur' },
          {
            min: 3,
            max: 10,
            message: '用户名的长度在3-10个字符之间',
            trigger: 'blur'
          }
        ],
        password: [
          { required: true, message: '请输入用户密码', trigger: 'blur' },
          {
            min: 6,
            max: 10,
            message: '密码的长度在6-10个字符之间',
            trigger: 'blur'
          }
        ],

        email: [
          { required: true, message: '请输入邮箱', trigger: 'blur' }
          // { validator: checkEmail, trigger: 'blur' }
          /*  {
            min: 6,
            max: 15,
            message: '邮箱的长度在6-10个字符之间',
            trigger: 'blur'
          } */
        ],
        mobile: [
          { required: true, message: '请输入手机号', trigger: 'blur' },
          { validator: checkMobile, trigger: 'blur' }
        ]
      },
      // 控制修改用户的对话框的显示与隐藏
      editDialogVisible: false,
      // 查询到的用户信息对象
      editForm: {},
      //  修改表单的验证规则对象
      editFormRules: {
        email: [{ required: true, message: '请输入用户邮箱', trigger: 'blur' }],
        mobile: [{ required: true, message: '请输入手机号', trigger: 'blur' },
          { validator: checkMobile, trigger: 'blur' }]
      },
      //  控制分配角色对话框的显示与隐藏
      setRoleDialogVisible: false,
      // 需要被分配角色的用户信息
      userInfo: {},
      // 所有角色的数据列表
      rolesList: [],
      // 已选中的角色id值
      selectedRoleId: ''
    }
  },
  created() {
    this.getUserList()
  },
  methods: {
    async getUserList() {
      const { data: res } = await this.$http.get('users', {
        params: this.queryInfo
      })
      if (res.meta.status !== 200) {
        return this.$message.error('获取数据失败')
      }
      this.userlist = res.data.users
      this.total = res.data.total
      console.log(res)
    },
    // 监听pagesize改变的事件
    handleSizeChange(newSize) {
      // console.log(newSize)
      this.queryInfo.pagesize = newSize
      this.getUserList()
    },
    // 监听页码值改变的事件
    handleCurrentChange(newPage) {
      // console.log(newPage)
      this.queryInfo.pagenum = newPage
      this.getUserList()
    },
    //  监听 switch开关状态的改变
    async userStateChange(userinfo) {
      const { data: res } = await this.$http.put(
        `users/${userinfo.id}/state/${userinfo.mg_state}`
      )
      if (res.meta.status !== 200) {
        console.log(userinfo)
        userinfo.mg_state = !userinfo.mg_state
        return this.$message.error('更新用户状态失败')
      }
      return this.$message.success('更新用户数据成功')
    },
    // 监听对话框的关闭事件
    addDialogClose() {
      this.$refs.addFormRef.resetFields()
    },
    // 点击按钮，添加新用户
    addUser() {
      this.$refs.addFormRef.validate(async valid => {
        if (!valid) return
        // 可以发起添加用户的网络请求
        const { data: res } = await this.$http.post('users', this.addForm)
        if (res.meta.status !== 201) {
          this.$message.error('添加用户失败')
        }
        this.$message.success('添加用户成功')
        //  隐藏添加用户的对话框
        this.addDialogVisable = false
        //  重新获取用户
        this.getUserList()
      })
    },
    // 展示编辑用户的对话框
    async showEditDialog(id) {
      const { data: res } = await this.$http.get('users/' + id)
      if (res.meta.status !== 200) {
        return this.$message.error('查询用户信息失败')
      }
      this.editDialogVisible = true
      this.editForm = res.data
    },
    //  监听修改用户对话框的关闭事件
    editDialogClose() {
      this.$refs.editFormRef.resetFields()
    },
    //  修改用户信息并提交
    editUserInfo() {
      this.$refs.editFormRef.validate(async valid => {
        if (!valid) return
        //  发起修改用户信息的数据请求
        const { data: res } = await this.$http.put('users/' + this.editForm.id,
          { email: this.editForm.email, mobile: this.editForm.mobile })
        if (res.meta.status !== 200) { return this.$message.error('更新用户数据失败') }
        // 关闭对话框
        this.editDialogVisible = false
        //  刷新数据列表
        this.getUserList()
        //  提示用户更新数据修改成功
        this.$message.success('更新用户信息成功')
      })
    },
    //  根据id删除对应的用户信息
    async removeUserById(id) {
      // 弹框询问用户是否删除
      const confirmResult = await this.$confirm('此操作将永久删除该用户, 是否继续?', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      }).catch(err => err)
      //  如果用户确认删除，则返回值为字符串 confirm
      // 如果用户取消了删除，则返回字符串 cancel
      if (confirmResult !== 'confirm') {
        return this.$message.info('已经取消了删除')
      }

      const { data: res } = await this.$http.delete('users/' + id)

      if (res.meta.status !== 200) {
        return this.$message.error('删除用户失败')
      }

      this.$message.success('删除用户成功')
      this.getUserList()
    },
    //  这是展示分配角色的对话框
    async setRole(userInfo) {
      this.userInfo = userInfo
      // 在展示对话框之前，获取所有和角色的列表
      const { data: res } = await this.$http.get('roles')
      if (res.meta.status !== 200) {
        return this.$message.error('获取用户列表失败')
      }
      this.rolesList = res.data
      this.setRoleDialogVisible = true
    },
    async saveRoleInfo() {
      if (!this.selectedRoleId) {
        return this.$message.error('请选择分配的角色')
      }
      const { data: res } = await this.$http.put(`users/${this.userInfo.id},{rid:this.selectedRoleId}`)
      if (res.meta.status !== 200) {
        return this.$message.error('更新用户角色失败')
      }
      this.$message.success('更新用户角色成功')
      this.getUserList()
      this.setRoleDialogVisible = false
    },
    //  监听分配角色对话框的关闭事件
    setRoleDialogClosed() {
      this.selectedRoleId = ''
      this.userInfo = {}
    }

  }
}

</script>
<style lang="less" scoped></style>
